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Finding the Fourth Proportional to 571,700.97, 857,375.89 and 395,341.29

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Solution

The fourth proportional to 571,700.97, 857,375.89 and 395,341.29 is: 592,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,700.97 : 857,375.89 = 395,341.29 : x
  2. Step 2: Convert to fraction form
    571,700.97/857,375.89 = 395,341.29/x
  3. Step 3: Cross multiply
    571,700.97x = 857,375.89 × 395,341.29
  4. Step 4: Simplify right side
    571,700.97x = 338,956,089,379.15
  5. Step 5: Solve for x
    x = 338,956,089,379.15/571,700.97
  6. Step 6: Final answer
    x = 592,890.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.